removed un-needed autoload function

tests/bootstrap.php

@@ -11,12 +11,3 @@
 
 require_once __DIR__ . "/../vendor/.composer/autoload.php";
 require_once __DIR__.'/Monolog/TestCase.php';
-
-spl_autoload_register(function($class)
-{
-    $file = __DIR__.'/../src/'.strtr($class, '\\', '/').'.php';
-    if (file_exists($file)) {
-        require $file;
-        return true;
-    }
-});